6729222 has 16 divisors (see below), whose sum is σ = 13565952. Its totient is φ = 2225160.

The previous prime is 6729209. The next prime is 6729223. The reversal of 6729222 is 2229276.

It is a self number, because there is not a number n which added to its sum of digits gives 6729222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6729223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3654 + ... + 5177.

It is an arithmetic number, because the mean of its divisors is an integer number (847872).

Almost surely, 2^6729222 is an apocalyptic number.

6729222 is an abundant number, since it is smaller than the sum of its proper divisors (6836730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6729222 is a wasteful number, since it uses less digits than its factorization.

6729222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8963.

The product of its digits is 6048, while the sum is 30.

The square root of 6729222 is about 2594.0744014002. The cubic root of 6729222 is about 188.7940423225.

The spelling of 6729222 in words is "six million, seven hundred twenty-nine thousand, two hundred twenty-two".